25461406 has 8 divisors (see below), whose sum is σ = 40202280. Its totient is φ = 12060648.

The previous prime is 25461389. The next prime is 25461421. The reversal of 25461406 is 60416452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334981 + ... + 335056.

It is an arithmetic number, because the mean of its divisors is an integer number (5025285).

Almost surely, 2^25461406 is an apocalyptic number.

25461406 is a deficient number, since it is larger than the sum of its proper divisors (14740874).

25461406 is a wasteful number, since it uses less digits than its factorization.

25461406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670058.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25461406 is about 5045.9296467549. The cubic root of 25461406 is about 294.1896981738.

Adding to 25461406 its reverse (60416452), we get a palindrome (85877858).

The spelling of 25461406 in words is "twenty-five million, four hundred sixty-one thousand, four hundred six".